[U-Boot] Moving custom board imx6q from u-boot-imx 2014.04 to 2015.04 lead to freeze

[Roberto Fichera <kernel@tekno-soft.it>]

On 02/10/2016 07:59 PM, Fabio Estevam wrote:
> On Wed, Feb 10, 2016 at 9:47 AM, Roberto Fichera <kernel@tekno-soft.it> wrote:
>> Hi All,
>>
>> After upgrading my u-boot-imx v2014.04 to v2015.04 I was not able to boot anymore my custom iMX6Q
> Why don't you try 2016.01 instead?
>

It has the same problem, below standard boot without apply any changes:

U-Boot 2016.01-v2016.01+gfa85e82 (Feb 11 2016 - 10:05:36 +0100)

CPU:   Freescale i.MX6Q rev1.5 at 792 MHz
Reset cause: POR
Board: Janas iMX6Q (ID:e315c0641d0f31d4)
I2C:   Error, wrong i2c adapter 0 max 0 possible
Error, wrong i2c adapter 0 max 0 possible
ready
DRAM:  2 GiB
<...freeze...>

Apply similar patch for v2015.04

diff --git a/arch/arm/lib/crt0.S b/arch/arm/lib/crt0.S
index 92d3732..f87acb6 100644
--- a/arch/arm/lib/crt0.S
+++ b/arch/arm/lib/crt0.S
@@ -108,7 +108,7 @@ here:
  * now relocate vectors
  */
 
-    bl    relocate_vectors
+    /* bl    relocate_vectors */
 
 /* Set up final (full) environment */

still need to  fix some voltages and ldo bypass but at least boot

U-Boot 2016.01-v2016.01+gfa85e82 (Feb 11 2016 - 10:38:05 +0100)

CPU:   Freescale i.MX6Q rev1.5 at 792 MHz
Reset cause: POR
Board: Janas iMX6Q (ID:e315c0641d0f31d4)
I2C:   ready
DRAM:  2 GiB
PMIC:  PFUZE100 ID=0x10
MMC:   FSL_SDHC: 0, FSL_SDHC: 1
Card did not respond to voltage select!
*** Warning - MMC init failed, using default environment

PCI:   pcie phy link never came up
In:    serial
Out:   serial
Err:   serial
switch to partitions #0, OK
mmc1(part 0) is current device
Net:   FEC [PRIME]
Error: FEC address not set.

Hit any key to stop autoboot:  0
=>